ScriptMasterLabs.com · x402 Directory
Contrast checker
Resource: https://api.gadgethumans.com/color-contrast · Directory page generated 2026-11-02T23:04:58.415Z from live sources.
The facts, as last reported 2026-11-02T22:57:52.599Z: this resource answers x402 payment challenges at 0.001 USDC on Base (exact), pay to 0xe6C34b8E58c8BEA609415f4D0C1Ce01Da48F3A34. It is reported by PayAI and its directory state is live.
What it does
Check the WCAG contrast ratio between two colours and report AA and AAA pass or fail for normal and large text. Pure CPU, instant. Use before shipping a palette.
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0011000 atomic | 0xe6C34b8E58c8BEA609415f4D0C1Ce01Da48F3A34 |
| Solanasolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | USDCEPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | 0.0011000 atomic | 7RDNyur52XauoJhwWnkvYjxygUoUv3ZPiosv8Ek5Suau |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-02T22:57:52.599Z |
| Settlement recency | listing last updated 2026-11-02T22:48:44.308Z at its source |
| Freshness | live — last reported 2026-11-02T22:57:52.599Z, listing last updated at source 2026-11-02T22:48:44.308Z |
| Reporting facilitator | PayAI |
| Sources | payai |
| Tags | contrast checker, wcag contrast, accessibility contrast, color contrast ratio, aa aaa |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://api.gadgethumans.com/color-contrast"
Pay it with any x402 client on Base, Solana. Networks: Base · Solana